package jdbc;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;

public class JDBCDemo9 {
    public static void main(String[] args) {
        try(Connection connection = DBUtil.getConnection();) {
            connection.setTransactionIsolation(Connection.TRANSACTION_READ_COMMITTED);

            connection.setAutoCommit(false);
            String sql = "INSERT INTO user (username,password,nickname,age) " +
                         "VALUES (?,?,?,?)";

            PreparedStatement ps = connection.prepareStatement(sql);
            ps.setString(1,"王");
            ps.setString(2,"1111111");
            ps.setString(3,"小王");
            ps.setInt(4,18);
            int num = ps.executeUpdate();
            System.out.println(num>0?"添加成功":"添加失败");

            //connection.rollback();
            connection.commit();
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}
